ATE307907T1 - LIQUID-COOLED LANCE WITH COHERENT JEAM - Google Patents
LIQUID-COOLED LANCE WITH COHERENT JEAMInfo
- Publication number
- ATE307907T1 ATE307907T1 AT01118541T AT01118541T ATE307907T1 AT E307907 T1 ATE307907 T1 AT E307907T1 AT 01118541 T AT01118541 T AT 01118541T AT 01118541 T AT01118541 T AT 01118541T AT E307907 T1 ATE307907 T1 AT E307907T1
- Authority
- AT
- Austria
- Prior art keywords
- jeam
- coherent
- liquid
- cooled lance
- lance
- Prior art date
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D99/00—Subject matter not provided for in other groups of this subclass
- F27D99/0001—Heating elements or systems
- F27D99/0033—Heating elements or systems using burners
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
- C21C5/28—Manufacture of steel in the converter
- C21C5/42—Constructional features of converters
- C21C5/46—Details or accessories
- C21C5/4606—Lances or injectors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D3/00—Charging; Discharging; Manipulation of charge
- F27D3/16—Introducing a fluid jet or current into the charge
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B3/00—Hearth-type furnaces, e.g. of reverberatory type; Tank furnaces
- F27B3/08—Hearth-type furnaces, e.g. of reverberatory type; Tank furnaces heated electrically, with or without any other source of heat
- F27B3/085—Arc furnaces
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B3/00—Hearth-type furnaces, e.g. of reverberatory type; Tank furnaces
- F27B3/10—Details, accessories, or equipment peculiar to hearth-type furnaces
- F27B3/22—Arrangements of air or gas supply devices
- F27B3/225—Oxygen blowing
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Carbon Steel Or Casting Steel Manufacturing (AREA)
- Treatment Of Steel In Its Molten State (AREA)
- Furnace Housings, Linings, Walls, And Ceilings (AREA)
Abstract
A lance which may be used to generate a longer coherent gas jet having inflowing and outflowing coolant fluid passages which are in flow communication and which straddle the flame envelope fluid passages, all of which are coaxial with the main passageway. <IMAGE>
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/631,945 US6334976B1 (en) | 2000-08-03 | 2000-08-03 | Fluid cooled coherent jet lance |
Publications (1)
Publication Number | Publication Date |
---|---|
ATE307907T1 true ATE307907T1 (en) | 2005-11-15 |
Family
ID=24533412
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT01118541T ATE307907T1 (en) | 2000-08-03 | 2001-08-01 | LIQUID-COOLED LANCE WITH COHERENT JEAM |
Country Status (7)
Country | Link |
---|---|
US (1) | US6334976B1 (en) |
EP (1) | EP1178121B1 (en) |
AT (1) | ATE307907T1 (en) |
BR (1) | BR0103173A (en) |
CA (1) | CA2354498C (en) |
DE (1) | DE60114317T2 (en) |
ES (1) | ES2246968T3 (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6450799B1 (en) * | 2001-12-04 | 2002-09-17 | Praxair Technology, Inc. | Coherent jet system using liquid fuel flame shroud |
US6773484B2 (en) * | 2002-06-26 | 2004-08-10 | Praxair Technology, Inc. | Extensionless coherent jet system with aligned flame envelope ports |
US7438848B2 (en) * | 2004-06-30 | 2008-10-21 | The Boc Group, Inc. | Metallurgical lance |
US8142711B2 (en) * | 2009-04-02 | 2012-03-27 | Nu-Core, Inc. | Forged copper burner enclosure |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1424029A (en) | 1964-01-06 | 1966-01-07 | Union Carbide Corp | Method and apparatus for introducing a stream of process gas into a bath of molten metal |
US4488682A (en) | 1983-09-07 | 1984-12-18 | Union Carbide Corporation | Cooling system for post-mixed burner |
US4622007A (en) | 1984-08-17 | 1986-11-11 | American Combustion, Inc. | Variable heat generating method and apparatus |
US5714113A (en) | 1994-08-29 | 1998-02-03 | American Combustion, Inc. | Apparatus for electric steelmaking |
US5814125A (en) * | 1997-03-18 | 1998-09-29 | Praxair Technology, Inc. | Method for introducing gas into a liquid |
US6125133A (en) | 1997-03-18 | 2000-09-26 | Praxair, Inc. | Lance/burner for molten metal furnace |
US5823762A (en) | 1997-03-18 | 1998-10-20 | Praxair Technology, Inc. | Coherent gas jet |
GB9708543D0 (en) | 1997-04-25 | 1997-06-18 | Boc Group Plc | Particulate injection burner |
US6096261A (en) * | 1997-11-20 | 2000-08-01 | Praxair Technology, Inc. | Coherent jet injector lance |
-
2000
- 2000-08-03 US US09/631,945 patent/US6334976B1/en not_active Expired - Fee Related
-
2001
- 2001-08-01 AT AT01118541T patent/ATE307907T1/en not_active IP Right Cessation
- 2001-08-01 BR BR0103173-2A patent/BR0103173A/en not_active IP Right Cessation
- 2001-08-01 EP EP01118541A patent/EP1178121B1/en not_active Expired - Lifetime
- 2001-08-01 CA CA002354498A patent/CA2354498C/en not_active Expired - Fee Related
- 2001-08-01 ES ES01118541T patent/ES2246968T3/en not_active Expired - Lifetime
- 2001-08-01 DE DE60114317T patent/DE60114317T2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP1178121B1 (en) | 2005-10-26 |
CA2354498A1 (en) | 2002-02-03 |
US6334976B1 (en) | 2002-01-01 |
DE60114317T2 (en) | 2006-06-08 |
EP1178121A2 (en) | 2002-02-06 |
CA2354498C (en) | 2005-11-01 |
DE60114317D1 (en) | 2005-12-01 |
EP1178121A3 (en) | 2003-11-12 |
BR0103173A (en) | 2002-03-26 |
ES2246968T3 (en) | 2006-03-01 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |